Compatible with all frameworks and browsers, delivering industry leading speed and accuracy with a fully featured UI

Supports core viewer functions such as open, save, print, and more

Includes light/dark themes, multiple reader modes, and support for both left-to-right and right-to-left languages with 30 out-of-the-box localizations

Ensures a consistent, accessible viewing experience across all devices for optimal readability and usability

Add annotations to documents that support in-depth audit trails and styling

Support:

Optimize performance of viewing large or complex PDFs by using linearization (streamlining via byte-range requests) or flattening to compress layers

Convert JPG, JPEG, PNG, GIF, TIF, TIFF, BMP and other basic image types to PDF

Extract various content from a PDF into text and image formats including

Advanced search and indexing functionality available via the UI or programmatically

Support searches that are separated by line breaks

Search via:

Note: form building available in the Digital Signing add-on

Fill in forms using the default view mode, or alternatively using pre-existing JSON data

Flatten forms to permanently merge annotations and filled forms with page content

Calculate area dimensions, measure between lines, or trace perimeters in engineering drawings

Configure scale with different unit measurements

Support PDF layers, or OCGs (Optional Content Groups), allowing users to toggle which layers they are viewing

WebViewer’s UI is WCAG 2.2 AA compliant, meeting global accessibility standards by supporting enhanced keyboard navigation, screen readers, appropriate color contrasting between visual elements, and more.

Optimized for accessibility technology such as screen readers.,consume Expose PDF tags content following itsaccording to their defined reading order with the associated tag information (headerheadings, body paragraphalt text, etc.)

Our out-of-the-box UI is highly configurable and open-source, allowing users to modify its modular components using a configuration file or forking WebViewer and building a new UI from scratch

Mobile UI customization is possible via APIs

Edit pages in the browser or programmatically with a range of different controls

Rotate pages

Delete pages

Move pages

Insert blank pages

Split / extract pages

Crop pages

Merge pages or documents

Generate rendered image representations of pages

Alter resolution, size of thumbnail, and whether to include annotations or not

Add or edit existing document outlines or table of contents

Support user bookmarks that save a position within a document

Compare two versions of a PDF by overlaying them and generating a new PDF that highlights their differences

Compare changes in semantic categories, such as headers, paragraphs, numbers, and generate a document with a summary of differences for easy review

Changes are seen in a side-by-side view with semantic differences highlighted

Visually compare versions of a document (or image) by converting it to an image and highlighting pixel-by-pixel differences

Create & validate PDF/A files for optimized storage and longterm access

Support

Create digital signatures

Embed and validate digital certificates

Support long-term validation and timestamps

Create forms and signature fields using the form designer mode

Edit form fields with responsive visual feedback

Customize form field properties and styling

True redaction that permanently removes underlying text and image content

Search and redact by text or patterns, including ambient string searches, wildcards, and regular expressions (RegEx) such as SIN numbers, credit card numbers, or other personal identifiable information

Direct in-line text editing

Drag and drop content in a PDF including images and paragraphs

Add or remove images from a PDF

Automate text edits across PDFs with programmatic search and replace. Preserve formatting and layout with intelligent content reflow

Full access to low-level PDF object model editing (COS/SDF)

Translate text in PDFs while retaining fonts, rich text characteristics, and formatting dimensions.

Extract PDF text content into XLIFF, a popular computer assisted translation format. After translating within the XLIFF file, re-generate the PDF to output a translated version of the original, preserving layout, styling, and formatting to eliminate costly manual corrections.

Edit DOCX natively within a familiar word processing UI

Create new DOCX files or open and edit existing ones

Edit rich text elements such as font, size, colour, and more

Search & replace in-browser or programmatically

Align text and adjust spacing between lines

Insert and resize images

Format content with bullet points, numbered lists, tables, headers & footers

Adjust section margins, column widths, and spacing with advanced layout controls

Track changes in review mode with accept and reject workflows

View non-printing characters

Undo or redo edits

WCAG 2.2 AA compliant UI

View and edit XLSX files in a true spreadsheet grid UI

Edit cell content, formulas, and formatting with live previews

Search & replace in-browser or programmatically

Retain supported styling, layout, and calculated values from your existing spreadsheets

Insert and resize images

Undo or redo edits

Seamless tabbed sheet navigation and cross-sheet formula support

WCAG 2.2 AA compliant UI

Automatically identify and tag document structure and semantic elements, creating support for assistive technologies and improving accuracy in data extraction

Optimize PDF content for accessibility, PDF/UA, and data extraction

Securely merge JSON data with MS Word, PowerPoint, and Excel templates

Support text and images, dynamic tables, and conditional content

Automatically detect and extract keys with associated values from PDFs, outputting structured JSON data optimized for seamless integration into downstream systems such as BI tools, CRMs, ERPs, and more

Identify column and row structure, edit spreadsheets, perform calculations on cells, analyze numeric columns, and output in JSON or Excel

Discover full logical structure including headers, footers, paragraphs, list items, table columns, cells, borders, images, graphics, and extract each element into a structured JSON file

Use artificial intelligence and computer vision to detect form fields in documents that do not have any interactive field annotations embedded, automatically adding them to the PDF

Automatically detect and extract barcode data from files and images

Detect hundreds of bar code types including QR codes, UPCs, DataMatrix, and more

Skewed, damaged, or low-quality barcodes are algorithmically corrected to ensure consistent scans

Automatically detect document type across 19 supported categories including invoices, IDs, contracts, and more.

Assign classification at a page level with a confidence score, with results being output into a structured JSON

Automatically identify and extract metadata from standardized information tables & title blocks found in CAD drawings.

Handle a wide range of non-standard title blocks from well-formed drawings, regardless of specific layout or font. Results are output into a structured JSON.

Open encrypted password-protected documents or encrypt PDFs with a password protection

Support 128-bit or 256-bit AES encryption out of the box, or a custom security algorithm that can be applied to your PDF

Customize user permissions to manage levels of document controls in your application

Prevent unauthorized access like copying or printing

Add a custom overlay text to documents with rich text customization and timestamping support

Make searchable PDFs from scanned documents or images

Leverage our modified version of Tesseract for industry leading accuracy and performance

Apryse OCR and Iris OCR are separate add-ons

Make searchable PDFs from scanned documents or images

IRIS OCR is advantageous for documents with multiple disconnected text snippets, such as magazine covers or CAD documents

Apryse OCR and Iris OCR are separate add-ons

HTML

Server required

JPG, PNG, BMP, TIFF, SVG, and other image formats

Convert from DICOM and other image formats such as

AAI, ARW, DCR, RAF, HEIC, DCM, and other advanced image formats

Server required

DOCX, XLSX, PPTX

DOCX, XLSX, PPTX

DWG, DWF, DXF, DGN, RVT